| DFB-Pokal 2020/2021 - Appearances as Referee |  |
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| 22/12/2020 | 1. FC Köln | - | VfL Osnabrück | 1:0 | 3 | - | - |
| 03/02/2021 | Jahn Regensburg | - | 1. FC Köln | 4:3 pso | 3 | - | - |
| DFB-Pokal 2020/2021 - Appearances as Referee | |
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| 22/12/2020 | 1. FC Köln | - | VfL Osnabrück | 1:0 | 3 | - | - |
| 03/02/2021 | Jahn Regensburg | - | 1. FC Köln | 4:3 pso | 3 | - | - |
| Complete name: | Robert Hartmann |
| Born: | 08/09/1979 |
| Place of birth: |
Germany |
| Residence: | Wangen |
| Nationality: |
Germany |
| Profession: | Diplom-Betriebswirt |
| Club: | SV Krugzell |
| Height: | 182 cm |
| Weight: | 80 kg |
| Bundesliga (GER) appearances: | 151 |